/**** 
* Classes
****/ 
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Dragon class to represent the player character
var Dragon = Container.expand(function () {
	var self = Container.call(this);
	var dragonGraphics = self.attachAsset('dragon', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.0,
		scaleY: 1.0,
		smooth: true,
		filterQuality: 2
	});
	self.speed = 10; // Speed of the dragon
	self.update = function () {
		// Update logic for the dragon can be added here if needed
	};
});
// Fireball class to represent the fireballs that the dragon shoots
var Fireball = Container.expand(function () {
	var self = Container.call(this);
	var fireballGraphics = self.attachAsset('Shout', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.0,
		scaleY: 1.0,
		smooth: true,
		filterQuality: 1
	});
	self.speed = 20; // Increase the speed of the fireball
	self.update = function () {
		// Move the fireball straight down
		self.y += self.speed;
	};
});
// HealthBar class to represent the player's health
var HealthBar = Container.expand(function () {
	var self = Container.call(this);
	var healthBarGraphics = self.attachAsset('healthBar', {
		anchorX: 0.0,
		anchorY: 0.0,
		scaleX: 2530 / 1000,
		// Scale to fit the game width
		scaleY: 0.1
	});
	self.maxHealth = 1000;
	self.currentHealth = self.maxHealth;
	self.update = function () {
		healthBarGraphics.scaleX = self.currentHealth / self.maxHealth;
		healthBarGraphics.scaleY = 0.05; // Resize the health bar to fit the top of the screen
	};
});
// Tree class to represent the first object
var Tree = Container.expand(function () {
	var self = Container.call(this);
	var treeGraphics = self.attachAsset('Tree01', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.0,
		scaleY: 1.0,
		smooth: true,
		filterQuality: 1
	});
	self.speed = 2; // Speed of the tree
	self.update = function () {
		// Move the tree straight up
		self.y -= self.speed;
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000,
	//Init game with black background
	height: 3000 // Increase the game screen height
});

/**** 
* Game Code
****/ 
// Initialize game variables
var dragon;
var spheres = [];
var fireballs = []; // Initialize fireballs array
var score = 0; // Initialize score to 0
var scoreTxt;
var level = 1; // Initialize level to 1
// Add background image to the game for level 1 only
if (level === 1) {
	var background = LK.getAsset('Background', {
		anchorX: 0.0,
		anchorY: 0.0
	});
	background = game.addChild(background);
	background.width = game.width;
	background.height = game.height;
	background.smooth = true; // Enable smoothing to remove pixelation
	background.filterQuality = 5; // Reduce the filter quality to improve performance
	background.scale.set(game.width / background.width, game.height / background.height); // Scale the background to fit the screen
	var background2 = LK.getAsset('Background2', {
		anchorX: 0.0,
		anchorY: 0.0
	});
	background2 = game.addChild(background2);
	background2.width = game.width;
	background2.height = game.height;
	background2.smooth = true; // Enable smoothing to remove pixelation
	background2.filterQuality = 5; // Reduce the filter quality to improve performance
	background2.scale.set(game.width / background2.width, game.height / background2.height); // Scale the background to fit the screen
	background2.y = -2732;
	// Scroll the screen to follow the movement of the trees
	game.update = function () {
		if (spheres.length > 0) {
			var tree = spheres[0];
			background.y += tree.speed;
			background2.y += tree.speed;
			if (background.y >= 2732) {
				background.y = -2732;
			}
			if (background2.y >= 2732) {
				background2.y = -2732;
			}
		}
	};
}
// Function to handle game updates
game.update = function () {
	// Update dragon position based on touch input
	if (!LK.gameOver && dragNode && dragNode.global) {
		dragNode.x = game.toLocal(dragNode.global).x;
	}
	// Spawn new rocks
	if (!LK.gameOver && LK.ticks % 120 == 0) {
		var newTree = new Tree();
		newTree.x = Math.random() * 2048;
		newTree.y = 2732;
		spheres.push(newTree);
		game.addChild(newTree);
	}
	// Check for collisions between fireballs and rocks
	for (var i = fireballs.length - 1; i >= 0; i--) {
		for (var j = spheres.length - 1; j >= 0; j--) {
			if (fireballs[i].intersects(spheres[j])) {
				// Add random points from 0-40 when the dragon shoots the trees
				var points = Math.floor(Math.random() * 41);
				score += points;
				// Remove the fireball and tree from the game
				fireballs[i].destroy();
				fireballs.splice(i, 1);
				spheres[j].destroy();
				spheres.splice(j, 1);
				break;
			}
		}
	}
	// Check for collisions between dragon and rocks
	for (var j = spheres.length - 1; j >= 0; j--) {
		if (dragon.intersects(spheres[j])) {
			// Decrease the dragon's health
			healthBar.currentHealth -= 20; // Decrease the damage taken by the dragon from rock01
			// Remove the rock from the game
			spheres[j].destroy();
			spheres.splice(j, 1);
			break;
		}
	}
	// Update the score display when the dragon gets points
	scoreTxt.setText('Score: ' + score);
	// Regenerate player's health to max when score reaches 1000
	if (score >= 1000) {
		healthBar.currentHealth = healthBar.maxHealth;
	}
};
// Initialize dragon
dragon = game.addChild(new Dragon());
dragon.x = 2048 / 2;
dragon.y = 200;
// Initialize level display
var levelTxt = new Text2('Level: 1', {
	size: 100,
	fill: 0x800080,
	// Purple color
	font: "'Time new roman',Impact,'Arial Black',Tahoma"
});
levelTxt.anchor.set(1, 1);
LK.gui.bottomRight.addChild(levelTxt);
levelTxt.x = -50; // Move the level text to the right side of the screen
levelTxt.y = -50; // Position the level text at the bottom of the screen
// Initialize score display
scoreTxt = new Text2('Score: 0', {
	size: 100,
	fill: 0x800080,
	// Purple color
	font: "'Time new roman',Impact,'Arial Black',Tahoma"
});
LK.gui.top.addChild(scoreTxt);
scoreTxt.anchor.set(0, 0); // Sets anchor to the left of the top edge of the text.
scoreTxt.x = 50; // Position the score text a little bit to the right
scoreTxt.y = levelTxt.y - scoreTxt.height - 100; // Position the score text 100 pixels above the level text
// Initialize health bar
var healthBar = game.addChild(new HealthBar());
healthBar.x = 2000 / 2 - healthBar.width / 2 + 100; // Move health bar to the right a little bit
healthBar.y = 2710 - healthBar.height / 2; // Move health bar to the middle of the bottom side
scoreTxt.anchor.set(0, 1);
LK.gui.bottomLeft.addChild(scoreTxt);
scoreTxt.x = 50; // Position the score text a little bit to the right
scoreTxt.y = -50; // Position the score text above the health bar
// Handle touch input for dragging the dragon
var dragNode = null;
game.down = function (x, y, obj) {
	dragNode = dragon;
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.move = function (x, y, obj) {
	if (dragNode) {
		// Limit the dragon's movement to the game area
		var newX = Math.max(dragon.width / 2, Math.min(2048 - dragon.width / 2, x));
		var newY = Math.max(dragon.height / 2, Math.min(2732 - dragon.height / 2, y));
		dragNode.x = newX;
		dragNode.y = newY;
		// Shoot a fireball at regular intervals
		if (LK.ticks % 10 == 0) {
			for (var i = 0; i < 1; i++) {
				var fireball = new Fireball();
				fireball.x = dragon.x;
				fireball.y = dragon.y;
				fireballs.push(fireball);
				game.addChild(fireball);
			}
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -116,15 +116,15 @@
 	// Scroll the screen to follow the movement of the trees
 	game.update = function () {
 		if (spheres.length > 0) {
 			var tree = spheres[0];
-			background.y = tree.y;
-			background2.y = tree.y - 2732;
-			if (background.y <= -2732) {
-				background.y = 2732;
+			background.y += tree.speed;
+			background2.y += tree.speed;
+			if (background.y >= 2732) {
+				background.y = -2732;
 			}
-			if (background2.y <= -2732) {
-				background2.y = 2732;
+			if (background2.y >= 2732) {
+				background2.y = -2732;
 			}
 		}
 	};
 }